./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id_o20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/id_o20.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78daae7f2fbb1fbd12685beb952877b8686cc8bc3d2c7fcd55d0c5d2b019aa0d --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 13:55:01,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 13:55:01,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 13:55:01,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 13:55:01,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 13:55:01,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 13:55:01,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 13:55:01,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 13:55:02,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 13:55:02,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 13:55:02,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 13:55:02,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 13:55:02,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 13:55:02,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 13:55:02,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 13:55:02,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 13:55:02,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 13:55:02,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 13:55:02,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 13:55:02,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 13:55:02,039 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 13:55:02,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 13:55:02,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 13:55:02,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 13:55:02,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 13:55:02,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 13:55:02,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 13:55:02,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 13:55:02,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 13:55:02,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 13:55:02,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 13:55:02,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 13:55:02,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 13:55:02,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 13:55:02,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 13:55:02,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 13:55:02,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 13:55:02,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 13:55:02,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 13:55:02,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 13:55:02,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 13:55:02,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 13:55:02,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-14 13:55:02,092 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 13:55:02,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 13:55:02,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 13:55:02,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 13:55:02,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 13:55:02,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 13:55:02,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 13:55:02,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 13:55:02,095 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 13:55:02,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 13:55:02,096 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 13:55:02,096 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 13:55:02,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 13:55:02,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 13:55:02,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 13:55:02,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 13:55:02,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 13:55:02,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 13:55:02,097 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-14 13:55:02,099 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 13:55:02,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 13:55:02,099 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 13:55:02,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 13:55:02,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 13:55:02,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 13:55:02,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 13:55:02,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 13:55:02,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 13:55:02,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 13:55:02,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 13:55:02,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 13:55:02,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 13:55:02,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 13:55:02,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78daae7f2fbb1fbd12685beb952877b8686cc8bc3d2c7fcd55d0c5d2b019aa0d [2022-07-14 13:55:02,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 13:55:02,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 13:55:02,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 13:55:02,337 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 13:55:02,338 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 13:55:02,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o20.c [2022-07-14 13:55:02,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97c0e840a/370e599d72514b3abc6a9d0a7b4b2423/FLAG6a4bcb629 [2022-07-14 13:55:02,750 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 13:55:02,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o20.c [2022-07-14 13:55:02,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97c0e840a/370e599d72514b3abc6a9d0a7b4b2423/FLAG6a4bcb629 [2022-07-14 13:55:02,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97c0e840a/370e599d72514b3abc6a9d0a7b4b2423 [2022-07-14 13:55:02,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 13:55:02,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 13:55:02,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 13:55:02,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 13:55:02,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 13:55:02,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:55:02" (1/1) ... [2022-07-14 13:55:02,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f85f9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:02, skipping insertion in model container [2022-07-14 13:55:02,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:55:02" (1/1) ... [2022-07-14 13:55:02,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 13:55:02,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 13:55:02,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o20.c[516,529] [2022-07-14 13:55:02,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 13:55:02,939 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 13:55:02,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o20.c[516,529] [2022-07-14 13:55:02,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 13:55:02,960 INFO L208 MainTranslator]: Completed translation [2022-07-14 13:55:02,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:02 WrapperNode [2022-07-14 13:55:02,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 13:55:02,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 13:55:02,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 13:55:02,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 13:55:02,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:02" (1/1) ... [2022-07-14 13:55:02,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:02" (1/1) ... [2022-07-14 13:55:02,983 INFO L137 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-07-14 13:55:02,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 13:55:02,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 13:55:02,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 13:55:02,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 13:55:02,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:02" (1/1) ... [2022-07-14 13:55:02,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:02" (1/1) ... [2022-07-14 13:55:02,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:02" (1/1) ... [2022-07-14 13:55:02,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:02" (1/1) ... [2022-07-14 13:55:02,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:02" (1/1) ... [2022-07-14 13:55:02,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:02" (1/1) ... [2022-07-14 13:55:02,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:02" (1/1) ... [2022-07-14 13:55:02,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 13:55:02,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 13:55:02,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 13:55:02,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 13:55:02,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:02" (1/1) ... [2022-07-14 13:55:03,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 13:55:03,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:55:03,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 13:55:03,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 13:55:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 13:55:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 13:55:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 13:55:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 13:55:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-07-14 13:55:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-07-14 13:55:03,128 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 13:55:03,130 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 13:55:03,218 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 13:55:03,223 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 13:55:03,223 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 13:55:03,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:55:03 BoogieIcfgContainer [2022-07-14 13:55:03,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 13:55:03,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 13:55:03,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 13:55:03,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 13:55:03,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:55:02" (1/3) ... [2022-07-14 13:55:03,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa4697c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:55:03, skipping insertion in model container [2022-07-14 13:55:03,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:02" (2/3) ... [2022-07-14 13:55:03,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa4697c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:55:03, skipping insertion in model container [2022-07-14 13:55:03,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:55:03" (3/3) ... [2022-07-14 13:55:03,233 INFO L111 eAbstractionObserver]: Analyzing ICFG id_o20.c [2022-07-14 13:55:03,245 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 13:55:03,245 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-07-14 13:55:03,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa4697c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 01:55:03, skipping insertion in model container [2022-07-14 13:55:03,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-14 13:55:03,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 13:55:03,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 13:55:03,248 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 13:55:03,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:55:03" (3/3) ... [2022-07-14 13:55:03,251 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-14 13:55:03,256 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-07-14 13:55:03,259 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-14 13:55:03,259 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-14 13:55:03,259 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-14 13:55:03,260 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-14 13:55:03,297 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-14 13:55:03,297 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 13:55:03,299 INFO L158 Benchmark]: Toolchain (without parser) took 522.88ms. Allocated memory is still 100.7MB. Free memory was 67.8MB in the beginning and 61.2MB in the end (delta: 6.6MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2022-07-14 13:55:03,306 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 83.9MB. Free memory was 53.2MB in the beginning and 53.2MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 13:55:03,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.80ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 76.6MB in the end (delta: -9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 13:55:03,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.03ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 75.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 13:55:03,308 INFO L158 Benchmark]: Boogie Preprocessor took 9.91ms. Allocated memory is still 100.7MB. Free memory was 75.4MB in the beginning and 74.5MB in the end (delta: 917.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 13:55:03,309 INFO L158 Benchmark]: RCFGBuilder took 230.05ms. Allocated memory is still 100.7MB. Free memory was 74.5MB in the beginning and 66.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 13:55:03,310 INFO L158 Benchmark]: TraceAbstraction took 20.86ms. Allocated memory is still 100.7MB. Free memory was 65.4MB in the beginning and 63.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 13:55:03,310 INFO L158 Benchmark]: Witness Printer took 50.07ms. Allocated memory is still 100.7MB. Free memory was 63.4MB in the beginning and 61.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 13:55:03,315 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 83.9MB. Free memory was 53.2MB in the beginning and 53.2MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 183.80ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 76.6MB in the end (delta: -9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.03ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 75.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 9.91ms. Allocated memory is still 100.7MB. Free memory was 75.4MB in the beginning and 74.5MB in the end (delta: 917.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 230.05ms. Allocated memory is still 100.7MB. Free memory was 74.5MB in the beginning and 66.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 20.86ms. Allocated memory is still 100.7MB. Free memory was 65.4MB in the beginning and 63.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 50.07ms. Allocated memory is still 100.7MB. Free memory was 63.4MB in the beginning and 61.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-07-14 13:55:03,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE